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Finding the Fourth Proportional to 522,483.35, 783,946.94 and 285,549.24

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Solution

The fourth proportional to 522,483.35, 783,946.94 and 285,549.24 is: 428,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,483.35 : 783,946.94 = 285,549.24 : x
  2. Step 2: Convert to fraction form
    522,483.35/783,946.94 = 285,549.24/x
  3. Step 3: Cross multiply
    522,483.35x = 783,946.94 × 285,549.24
  4. Step 4: Simplify right side
    522,483.35x = 223,855,451,489.58
  5. Step 5: Solve for x
    x = 223,855,451,489.58/522,483.35
  6. Step 6: Final answer
    x = 428,445.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.